• its author died before 1954;
• the death date of its author is not known, and it was created before 1904;
• it is an anonymous work, a pseudonymous work, or a work made for hire, and it was created before 1904.

The above provisions are contained in 17 U.S.C. § 303 . See also this page for more information.

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer .

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office ) before January 1, 1929.